RenderSnake is a Java libary for creating components and pages that produce HTML using only Java. Its purpose is to support the creation of Web applications that are more maintainable, allow for easier reuse, have testable UI components, and produce compact HTML in an efficient way.
repositor.io is a tool for creating and managing Linux repositories. It can mirror online repositories so that you don't need to download packages every time you set up a new server, and it makes it easy to create custom repositories for your own packages. With the integration of a configuration management tool, you can create consistent installations on your servers.
Rerun is a lightweight tool-building framework useful to those implementing management procedure with shell scripts. It will help you organize your implementation into well-defined modular interfaces. Collections of management modules can be archived and delivered as a single executable to facilitate team handoffs. Using the "stubbs" module, rerun will even facilitate unit tests. When users execute rerun module commands, rerun can record execution data into log files which can later be replayed.
rtorstat is a simple Web page generator that shows status information about the rTorrent bittorrent client. This makes it possible to quickly have an overview of your torrent list from a remote location without having to log into the remote machine that actually runs rTorrent. It can be run through cron or as a CGI script.